[C++] HackerRank 해커랭크 Counter game

문제링크 : https://www.hackerrank.com/challenges/counter-game

#include <bits/stdc++.h>
 
using namespace std;
 
string counterGame(unsigned long long int n) {
    // Complete this function  
    int cnt = 0;
    while(n) {
        n &= (n-1);
        cnt++;
    }
    if(cnt&1)
        return "Louise";
    else
        return "Richard";
    //return cnt%2?"Louise":"Richard";
}
 
int main() {
    int t;
    cin >> t;
    for(int a0 = 0; a0 < t; a0++){
        unsigned long long int n;
        cin >> n;
        cout << counterGame(n-1) << endl;
    }
    return 0;
}